Finding the Fourth Proportional to 5,978.36, 8,950.48 and 4,747.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.36 : 8,950.48 = 4,747.56 : x
2. Step 2: Convert to fraction form
   5,978.36/8,950.48 = 4,747.56/x
3. Step 3: Cross multiply
   5,978.36x = 8,950.48 × 4,747.56
4. Step 4: Simplify right side
   5,978.36x = 42,492,940.83
5. Step 5: Solve for x
   x = 42,492,940.83/5,978.36
6. Step 6: Final answer
   x = 7,107.79